CVE-2026-94089: Stack-based Buffer Overflow in D-Link DIR-868L
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
AI Analysis
Technical Summary
This vulnerability affects D-Link DIR-868L version 2.01b05. It arises from improper handling of input in the strcpy function of the /webfa_authentication.cgi Authentication Handler component. By remotely manipulating the id or password parameters, an attacker can trigger a stack-based buffer overflow. The vulnerability has a CVSS 4.0 base score of 10.0, indicating critical severity with network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. Public exploit code is available, increasing the risk of exploitation.
Potential Impact
Successful exploitation can lead to arbitrary code execution on the affected device, compromising confidentiality, integrity, and availability. Given the critical CVSS score and remote attack vector, this vulnerability poses a severe risk to affected devices.
Mitigation Recommendations
No official patch or remediation information is provided. Users should monitor D-Link advisories for updates and consider applying any forthcoming patches promptly. Until a fix is available, restricting network access to the device's management interface may reduce exposure.
CVE-2026-94089: Stack-based Buffer Overflow in D-Link DIR-868L
Description
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
CVSS v4.0
Score 10.0critical
Affected software
D-Link
DIR-868L
cpe:2.3:h:d-link:dir-868l:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects D-Link DIR-868L version 2.01b05. It arises from improper handling of input in the strcpy function of the /webfa_authentication.cgi Authentication Handler component. By remotely manipulating the id or password parameters, an attacker can trigger a stack-based buffer overflow. The vulnerability has a CVSS 4.0 base score of 10.0, indicating critical severity with network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. Public exploit code is available, increasing the risk of exploitation.
Potential Impact
Successful exploitation can lead to arbitrary code execution on the affected device, compromising confidentiality, integrity, and availability. Given the critical CVSS score and remote attack vector, this vulnerability poses a severe risk to affected devices.
Mitigation Recommendations
No official patch or remediation information is provided. Users should monitor D-Link advisories for updates and consider applying any forthcoming patches promptly. Until a fix is available, restricting network access to the device's management interface may reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-20T08:02:24.652Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab049d455bf5e2cf5860591
Added to database: 09/20/2026, 21:02:12 UTC
Last enriched: 09/20/2026, 21:16:29 UTC
Last updated: 09/20/2026, 22:12:34 UTC
Views: 5
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